Guardado represented his country in the 2006 and 2010 World Cups, scoring 13 goals in 82 international appearances.

Sanchez is certain that the winger will be an immediate success at his new club, praising his playing style and talent: "He is going to shine, like he has always done."

The former Real Madrid striker also commented on the future of Manchester United's Mexican poacher Javier Hernandez, whose game time is likely to be reduced by the arrival of Robin Van Persie from Arsenal.

"Javierhas many qualities thathe willcontinue to showand what hewill needis continuitybecause whenthey gaveit to him, he showed that hewas effective," he claimed.

Guardado is likely to make his Valencia league debut away at Spanish champions Real Madrid on Sunday evening.